™~, 
510 PROCEEDINGS OF THE AMERICAN ACADEMY. 
ern Mexico, from 1,000 to 2,500 m. altitude; between Guadalupe and 
the city of Mexico, Humboldt & Bonpland, and at a neighboring station, 
Schaffner ; Mountains of Oaxaca, Galeotti, no. 2008, Pringle, nos. 4969, 
5651, H. W. Nelson, nos. 1544, 1920, L. C. Smith, no. 542, Gonzalez, 
no. 46, C. ZL. Smith, no. 272. 
3. M. romentos, Llav. & Lex. In habit and floral characters very 
similar to the preceding: leaves decidedly longer than broad, conspicu- 
ously attenuate, often hastate, with a decided tendency towards coarse 
crenate dentation near the base, usually subcordate or cordate, scabrous 
above, canescent-tomentose beneath, 5 to 10 cm. long, 2 to 7 cm. broad ; 
petioles often appendaged above. — Nov. Veg. Descr. ii. 11; Sch. Bip. 
1. c.; Hemsl. 1. c. 166. Montagnea tomentosa, DC. 1. ¢. incl. var. 
B cordifolia. Eriocoma heterophylla, Schrad. Linnea, x. Lit.-Ber. 70. 
E. fragrans, Sweet, Brit. Fl. Gard. ser. 2, t. 44. — State of Mexico, 
chiefly about the city, La Llave, Bustamente & Rocha, Berlandier, no. 574, 
Schaffner, no. 252, Bourgeau, nos. 501, 706, Bilimek, no. 25, Pringle, 
no. 3155; Morelos at Cuernavaca, Bilimek, no. 511; Puebla at Tehua- 
can, Liebmann, no. 262; San Luis Potosi, Parry & Palmer, no. 714, 
Pringle, no. 3307. ee 
Var. TERNIFOLIA, Hemsl. Leaves ternate. —Hemsl. 1. c. in sy? 
M. ternifolia, Sch. Bip. 1. c. Montagnea tomentosa, var. ternifolia, DC. 
1. e. 565. — Chopalopa, Mexico, Berlandier, no. 574, in part. 
= = Leaves serrate, rhombic-ovate or lanceolate in outline, narrowed to a 
re or less cuneate base. 
4. M. Seleriana. Shrub: branchlets terete, soon glabrous: leaves 
opposite, undivided, callous-serrulate or almost entire, tuberculate-sca- 
brous above, canescent- or tawny-tomentose, at length subglabrate beneath, 
5 to 10 em. long, 2 to 7 cm. broad, 3-5-nerved above the cuneate 
base ; petioles 1 cm. long: panicles rounded, 1 dm. broad ; pedicels fili- 
form, tawny-tomentulose: heads much as in the preceding species: Tay 
flowers 3 to 4; ligules 4 to 5 mm. long; disk-flowers about 9: fruit 
unknown. — Tuxtla, Chiapas, Mexico, C. & H. Seler, 19 February, 1896, 
nos. 1965, 19438. : 
+ + ‘Leaves lanceolate, not lobed, conspicuously attenuate into winged petioles. 
5. M. microcepuata, Sch. Bip.].c. Rusty-tomentose : leaves ellip- 
tic-lanceolate, 6 cm. long including the winged petiole, 1.8 to 2 cm. 
broad, serrate, acute at each end, scabrous above, densely tomentose and 
minutely glandular beneath: heads very small, slender-pedicelled, bs 
merous but not densely crowded. — Hemsl. 1. c. 166; Klatt, Leopoldins, 
